Cardinal Sean Patrick O'Malley, Archbishop of Boston, gestures during a press conference at the Pontifical North American College in Rome, Tuesday, March 5, 2013. The Sistine Chapel clo

 

              Cardinal Sean Patrick O
Cardinal Sean Patrick O'Malley, Archbishop of Boston, gestures during a press conference at the Pontifical North American College in Rome, Tuesday, March 5, 2013. The Sistine Chapel closed to visitors on Tuesday and construction work got under way to prepare it for the conclave, but five cardinals remained AWOL from the preparatory meetings to discuss who should run the Catholic Church following Benedict XVI's resignation.The Vatican insisted nothing was amiss and that the five cardinals would be arriving in the coming days. (AP Photo/Riccardo De Luca)